package 笔试记录.百度二面;

/*
互换x和y的值
 */
public class Main1 {
    public static void main(String[] args) {
        int a = 7;
        int b = 8;
        a = a + b;
        b = a - b;
        a = a - b;
        System.out.println("a:" + a);
        System.out.println("b:" + b);
    }
}
